interferometer

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in·ter·fer·om·e·ter

(in'tĕr-fĕr-om'ĕ-tĕr),
An instrument for measuring minute distances or movements through the interference of light waves thereby produced.
[interfere + G. metron, measure]

interferometer

(ĭn″tĕr-fēr-ŏm′ĕ-tĕr)
An optical device that acts on the interference of two beams of light, permitting examination of the structure of spectral lines. It is also used in examining prisms of lenses for faults.

interferometer

1. Instrument designed to measure the wavelength of light, the refractive index of a medium, as well as the flatness, thickness, the quality of optical surfaces, etc. The interferometer is based on the phenomenon of interference between two coherent beams of light. 2. Name given to several types of clinical maxwellian view system used to measure visual acuity. See clinical maxwellian view system.
References in periodicals archive ?
Because the baseline of along track interferometry is fixed, if the train speed is uniform, then the resulted interferometric phase should be a constant as well.
Werner, A precision neutron interferometric measurement of the n-[.
Multiple commercial dB-3710C TWT amplifiers were recently integrated by Intermap[TM] Technologies, a preeminent digital mapping company, to provide reliable power for Intermap's proprietary Interferometric SAR (IFSAR) high-resolution airborne radar mapping technology.
These narrow bandwidth interferences, changing from one pulse to another, will degrade image quality and bring interferometric phase errors [16- 18].
In an effort to combine the quantitative results obtained from light microscopy with the speed of the surface roughness techniques, the method of interferometric microscopy (IFM) has been applied to carbon black dispersion characterization in vulcanized elastomeric systems.
We present a split-beam neutron interferometric experiment to test the non-cyclic geometric phase tied to the spatial evolution of the system: the subjacent two-dimensional Hilbert space is spanned by the two possible paths in the interferometer and the evolution of the state is controlled by phase shifters and absorbers.
Interferometric systems usually determine emitter location by measuring the angle of arrival (AOA) at two or more direction finding (DF) sites.
National New Technology Telescope, the big binocular or Columbus project and the European Very Large Telescope -- have decided to add interferometric capabilities as well.
NASDAQ: APSG), a provider of integrated synthetic aperture sonar and navigation suites and mission and target analysis workstations, a $5 million indefinite delivery/indefinite quantity (IDIQ) contract to provide up to five interferometric synthetic aperture sonar (InSAS) systems.
Duarte is a research physicist with Interferometric Optics, New York.
The result is the FPS3010--Real Time Interferometric Sensor, a high-bandwidth optical displacement sensor with sub-meter range and the ability to read target position variations at the picometer level.
Baseline determines performance of interferometric SAR (InSAR) system and is also an important parameter in elevation reversion.